1221 Amor (1932 EA1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4346323446 ± 8.90e-03
Semi-major axis (a)1.9198312726 AU ± 2.87e-03
Inclination (i)11.86883065° ± 1.06e+00
Long. of Asc. Node (Ω)171.23715667° ± 4.55e+00
Arg. of Perihelion (ω)26.75827105° ± 4.78e+00
Mean Anomaly (M)59.87045381° ± 2.84e+00
Mean Motion (n)0.3705251430°/day ± 8.32e-04
Perihelion dist (q)1.08541051 AU ± 1.72e-02
Aphelion dist (Q)2.75425204 AU ± 1.76e-02
Orbital Period2.66007935 yr ± 5.97e-03
NGA Modelr2
A2-1.98953082e-07 AU/d²
Physical Parameters
H (abs. magnitude)17.37
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-26
RMS Residual0.415″
Uncertainty0
Orbit TypeAmor
MOID0.108974 AU
Observations Used691
Oppositions58
Arc Total1932-2025
First Observation Used1932-03-12
Last Observation Used2025-02-19
Observations (738)
Date Type RA Dec Mag Band Observatory
2016-11-20 11:29:39 C 05 29 03.05 +02 20 55.4 V G45
2016-11-28 12:52:58 C 05 20 14.273 +01 13 02.79 L F51
2016-11-28 13:11:15 C 05 20 13.305 +01 12 56.91 L F51
2016-11-28 13:29:31 C 05 20 12.341 +01 12 51.01 L F51
2016-11-28 13:47:53 C 05 20 11.370 +01 12 44.97 L F51
2016-11-30 07:20:23 C 05 18 02.16 +00 59 31.5 q G96
2016-11-30 07:26:33 C 05 18 01.74 +00 59 29.5 q G96
2016-11-30 07:32:45 C 05 18 01.42 +00 59 27.9 q G96
2016-11-30 07:38:59 C 05 18 01.18 +00 59 26.3 q G96
2016-12-09 09:13:31 C 05 05 34.29 +00 01 32.3 q G96
2016-12-09 09:21:41 C 05 05 33.81 +00 01 30.2 q G96
2016-12-09 09:27:53 C 05 05 33.41 +00 01 28.9 q G96
2016-12-09 09:34:05 C 05 05 33.05 +00 01 27.6 q G96
2016-12-24 05:44:09 C 04 43 48.46 -00 39 35.2 R G45
2016-12-24 05:51:20 C 04 43 48.04 -00 39 35.2 R G45
2016-12-24 05:58:13 C 04 43 47.60 -00 39 35.1 R G45
2016-12-24 06:12:48 C 04 43 46.75 -00 39 35.7 R G45
2017-01-21 05:41:29 C 04 16 53.713 +01 25 35.17 L F51
2017-01-21 05:58:18 C 04 16 53.406 +01 25 40.97 L F51
2017-01-21 06:15:14 C 04 16 53.095 +01 25 46.91 L F51
2017-01-21 06:32:10 C 04 16 52.785 +01 25 52.78 L F51
2017-01-24 06:01:15 C 04 15 56.315 +01 51 42.59 L F51
2017-01-24 06:17:40 C 04 15 56.109 +01 51 48.74 L F51
2017-01-24 06:34:12 C 04 15 55.901 +01 51 54.93 L F51
2017-01-28 02:36:32 C 04 15 19.64 +02 27 38.2 R G45
2017-01-28 02:36:50 C 04 15 19.64 +02 27 38.3 R G45
2017-01-28 02:44:13 C 04 15 19.60 +02 27 41.0 R G45
2017-01-28 02:44:19 C 04 15 19.62 +02 27 42.3 R G45
2017-01-28 02:52:28 C 04 15 19.54 +02 27 44.9 R G45
2017-01-28 02:52:35 C 04 15 19.57 +02 27 45.1 R G45
2017-01-28 02:59:54 C 04 15 19.53 +02 27 48.0 R G45
2017-01-28 03:00:00 C 04 15 19.50 +02 27 48.4 R G45
2017-01-28 03:07:26 C 04 15 19.49 +02 27 51.3 R G45
2017-01-28 03:08:10 C 04 15 19.52 +02 27 51.2 R G45
2017-01-28 03:16:08 C 04 15 19.47 +02 27 54.0 R G45
2017-01-31 03:49:22 C 04 15 19.68 +02 57 50.2 q G96
2017-01-31 03:55:34 C 04 15 19.69 +02 57 52.5 q G96
2017-01-31 04:01:49 C 04 15 19.70 +02 57 55.3 q G96
2017-01-31 04:08:02 C 04 15 19.70 +02 57 57.6 q G96
2017-02-14 06:16:12 C 04 20 41.910 +05 32 03.41 L F51
2017-02-14 06:32:30 C 04 20 42.341 +05 32 11.28 L F51
2017-02-14 06:48:48 C 04 20 42.774 +05 32 19.09 L F51
2017-03-08 03:19:50 C 04 44 43.93 +09 53 17.7 q G96
2017-03-08 03:25:58 C 04 44 44.31 +09 53 20.8 q G96
2017-03-08 03:32:07 C 04 44 44.69 +09 53 24.0 q G96
2017-03-08 03:39:11 C 04 44 45.08 +09 53 27.1 q G96
2017-03-11 06:04:35 C 04 49 33.000 +10 30 36.74 L F51
2017-03-11 06:23:15 C 04 49 34.201 +10 30 45.63 L F51
2017-03-11 06:41:58 C 04 49 35.431 +10 30 55.26 L F51
2018-09-02 08:01:47 C 01 41 52.72 +04 44 09.4 u H21